import java.util.Arrays;

public class Main {
    /*public static void main(String[] args) {
        int[] []lkt = {{1,2,3,4,5,6},{4,5,6}};
        for(int i = 0; i < lkt.length;i++){
            for(int j = 0;j < lkt[i].length;j++){
                System.out.print(lkt[i][j]+" ");//输出格式为lkt[i][j]
            }
            System.out.println();
        }

        for(int[] lbt:lkt){//二维数组看成由一维数组组成，因此for each格式这样写
            for(int a : lbt){
                System.out.print(a+" ");
            }
            System.out.println();
        }
        String ret = Arrays.deepToString(lkt);//看成沈度deepToString二维数组输出成字符串
        System.out.println(ret);

        int[] [] arr = new int[2][];
        arr[0] = new int [3];
        arr[1] = new int [5];//不规则数组

    }

     */

}

